protected MockRaftActor(final AbstractBuilder<?, ?> builder) {
super(builder.id, builder.peerAddresses != null ? builder.peerAddresses :
Collections.<String, String>emptyMap(), Optional.fromNullable(builder.config), PAYLOAD_VERSION);
- state = new ArrayList<>();
+ state = Collections.synchronizedList(new ArrayList<>());
this.actorDelegate = mock(RaftActor.class);
this.recoveryCohortDelegate = mock(RaftActorRecoveryCohort.class);